{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Several structurally related metabolites of progesterone ( 3 alpha - hydroxy pregnane - 20 - ones ) and deoxycorticosterone ( 3 alpha - hydroxy pregnane - 21 - diol - 20 - ones ) and their 3 beta - epimers were evaluated for protective activity against pilocarpine - , kainic acid - and N - methyl - D - aspartate ( NMDA ) - induced seizures in mice ."}
{"Disease": ["seizures"], "Chemical": ["progesterone", "3 alpha - hydroxy pregnane - 20 - ones", "deoxycorticosterone", "3 alpha - hydroxy pregnane - 21 - diol - 20 - ones", "pilocarpine", "kainic acid", "N - methyl - D - aspartate", "NMDA"]}